Power supply



FIG. 1 is a front, right side, top perspective view of a first embodiment of a power supply embodying my new design;

FIG. 2 is a rear, right side, bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front, right side, top perspective view of a second embodiment of the power supply embodying my new design;

FIG. 9 is a rear, right side, bottom perspective view thereof;

FIG. 10 is a front elevation view thereof;

FIG. 11 is a rear elevation view thereof;

FIG. 12 is a right side elevation view thereof; and,

FIG. 13 is a top plan view thereof.

The left side elevation view of the first embodiment is omitted because it is a mirror image of the right side elevation view;

The left side elevation view of the second embodiment is omitted because it is a mirror image of the right side elevation view;

The bottom plan view of the second embodiment is omitted because it is the same as the bottom plan view of the first embodiment; The broken lines shown in the figures depict portions of the power supply that form no part of the claimed design. 

CLAIM The ornamental design for a power supply, as shown and described. 